University of Oulu

Aladejare, A.E., Lawal, A.I. & Onifade, M. Predicting the peak particle velocity from rock blasting operations using Bayesian approach. Acta Geophys. 70, 581–591 (2022).

Predicting the peak particle velocity from rock blasting operations using Bayesian approach

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Author: Aladejare, Adeyemi Emman1; Lawal, Abiodun Ismail2; Onifade, Moshood3
Organizations: 1Oulu Mining School, University of Oulu, Oulu, Finland
2Department of Mining Engineering, Federal University of Technology, Akure, Nigeria
3Department of Civil and Mining Engineering, University of Namibia, Windhoek, Namibia
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 2.5 MB)
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Language: English
Published: Springer Nature, 2022
Publish Date: 2022-07-19


Measuring the blast-induced ground vibration at blasting sites is very important, to plan and avoid adverse effects of blasting in terms of the peak particle velocity (PPV). However, the measurement of PPV often requires time, cost, and logistic commitment, which may not be economical for small-scale mining operations. This has prompted the development of numerous regression equations in the literature to estimate PPV from a relatively easier to estimate scaled distance (SD) measurement. With numerous regression equations available in the literature, there is a challenge of how to select the appropriate model for a specific blasting site, more so that rocks behave differently from site to site because of different geological processes that rocks are subjected to. This study develops a method that selects appropriate models for specific blasting sites by comparing the evidence and occurrence probability of different regression models. The appropriate model is the model with the highest evidence and occurrence probability given the available blasting site SD data. The selected model is then integrated with prior knowledge and available blasting SD data in Bayesian framework for probabilistic characterization of PPV. The SD and PPV data at the opencast coal mine, Jharia coalfield in the Dhanbad district of Jharkhand, India, is used to illustrate and validate the approach. The mean and standard deviation of simulated PPV samples from the proposed approach are 12.38 mm/s and 7.36 mm/s, respectively, which are close to the mean of 12.03 mm/s and standard deviation of 9.24 mm/s estimated from the measured PPV at the site. In addition, the probability distribution of the simulated PPV samples is consistent with the probability distribution of the measured PPV at the blasting site.

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Series: Acta geophysica
ISSN: 1895-6572
ISSN-E: 1895-7455
ISSN-L: 1895-6572
Volume: 70
Issue: 2
Pages: 581 - 591
DOI: 10.1007/s11600-022-00727-5
Type of Publication: A1 Journal article – refereed
Field of Science: 1171 Geosciences
Funding: Open Access funding provided by University of Oulu including Oulu University Hospital.
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